It is an introduced species, spreading in woodland areas and replacing the natural understory. Height 40-60cm in 10 years. Rhododendron ponticum was intentionally introduced into Ireland from the 1760s onwards (Higgins, 2008). Today a medic specifically feels for a pulse with the pointer and middle, never reaching over the neck and for the wrist careful not to wrap the diagnosing hand around. Wherever this plant invades, there is drop in the biodiversity of the area, not only because of the loss of plant species but also of insects and other invertebrates. Produces terminal trusses of 10 to 15 purple, funnel-shaped flowers in spring. It is very free flowering in early May. Produces terminal trusses of 10 to 15 purple, funnel-shaped flowers in spring. datasets have provided data to the NBN Atlas for this species.. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Rhododendron ponticum L. album, a form with white flowers, R. ponticum var. It’s not HUGELY poisonous, about 100 grams need to be ingested by a 25 kg child to seriously poison them, but it is a problem for livestock – particularly sheep, goats and cows – who munch on the flowers and get seriously sick. ponticum: of Pontus, NE Turkey. This causes a range of symptoms based on where the activated cells are located, such as muscle weakness, vomiting, sweating, salivation, seizures, and either dangerously slow or dangerously fast heartbeat, depending on the dose. This is great. Hello and welcome, to the mother hoard of all the theories and head-cannons dedicated Sherlockians have came up with. Details R. ponticum is a densely branched evergreen shrub with tough, leathery, dark green, oval leaves. Rhododendron ponticum is one of those examples where a plant species has been introduced to serve a practical purpose and has turned into a liability instead.. but not sure how it’s relevant? by Captain Skellett | Dec 27, 2009 | How Things Work, Poisons, Science in the Movies | 11 comments. In the end, it can cause death. It binds to specific sodium ion channels in cell membranes (which I’ve talked about before) and prevents inactivation, causing persistent activation of muscle and nerve cells. Rhododendron azaleoides hort. The toxin is called grayanotoxin. A number of insects either target rhododendrons or will opportunistically attack them. Idiots. Why is the rum gone!! It has been widely distributed as an ornamental species due to its attractive flowers, and can subsequently ex Dum.Cours. Milne et al. Notes on Taxonomy and Nomenclature Top of page The genus Rhododendron is the largest in the Ericaceae family with 1200 species. Pretty Things And Monster's Theory Tumblr. Post was not sent - check your email addresses! R.ponticum was first introduced to the UK via Gibraltar in 1763 and by 1893 it was being sold on London markets as a flowering pot plant. R. ponticum is a dense, suckering shrub or small tree growing to 5 m (16 ft) tall, rarely 8 m (26 ft). #sherlock R. ponticum is difficult to eradicate, as its roots can make new shoots. It is naturalized in Ireland, the U.K. and much of western Europe as well as in parts of New Zealand. Others, well, let's not talk about that right now. Sherlock dosing himself with grayanotoxin adds way more uncontrolled risk factors to the situation than a few tears ever could. It’s biological warfare, victory has never tasted sweeter. Also, there’s not much point in saying Sherlock used both the rubber ball pulse stop and Rhododendron ponticum to simulate death. The fruit is a dry capsule 1.5 to 2.5 cm (0.59 to 0.98 in) long, containing numerous small seeds. Great movie. At one point in the movie they talk about rhododendron poison, but don’t explain at all what it is. The toxin is water soluble, so it can be extracted from the leaves and flowers. For people who haven’t seen the theory the anon’s referring to: My understanding is that it’s the idea that Sherlock drugged himself with grayanotoxin, which is derived from rhododendrons.The basis for this is that Sherlock mentioned Rhododendron ponticum when he had the Homeless Network helping him find where the kidnapped children were being held. Exactly the answer I was looking for. #mycroft The … I’ll open this question to the floor – anyone remember? They may have taken some artistic license, methinks. Inside will be spoilers but you've pr... #bbc We love its lovely healthy foliage and habit. Not all members of the genus are poisonous, but play it on the safe side and don’t eat random plants. That’s the rhododendron poison, making a comeback after 2400 years on a big screen near you! #johnwatson Lord Blackwood the gr8.. hehe sorry.. but what about the NO PULSE EFFECT…….did not get that part right………the hanging stuff was brilliant though……. They also used Rhododendron ponticumas a rootstock for grafting scions from less hardy but … Can someone explain to me? watch ‘dirty cities’ to get the full blow of it. I just don’t understand the mechanism of takin a poison, stayin totally alive but only having asystole. Description: This species was first introduced to parks, gardens, and demesnes in Britain and Ireland in the 1700’s. 2004 (pdf) Origin and Maintenance of Rhododendron x sochadzeae, a Fertile F1 Hybrid which Occupies an Ecotone between R. ponticum and R. caucasicum in Turkey Rhododendron x sochadzeae forms large populations in which neither segregation nor backcrossing occur, in habitats intermediate between those of its parents. The effects of Rhododendron ponticum was mentioned in the 2009 film Sherlock Holmes as a purposed way to arrange a fake execution. Light Needs. Sir, but u said slow pulse right , it is not possible that there is no pulse, or is it? (the thumb tends to be more insensitive and carries a bit of pulse itself). the ropes were tightened to give better support and thus better sleep; as for the bugs, well, you were sleeping on straw/grass. Rhododendron ponticum is the state flower of Indian-administered Kashmir and Pakistan Controlled Kashmir. cheiranthifolium a compact variety with narrow and wavy leaves, R. ponticum … ~ From a tumblr post by: stellatkd1994, iamthedavrezi, stupidface-idjits-in221b and cumberbangers. Rhododendron ponticum has become invasive in Ireland and the United Kingdom. In the case of stipitate hydnums, removal of R. ponticum encouraged new fruiting not seen for many years (Watling 2005). I saw Sherlock Holmes last night with SexyMan, the cinema was packed and we sat in the second row from the front. ‘Sleep tight’ what does that mean!! Rhododendron ponticum is native to countries in the western and eastern Mediterranean such as Spain, Portugal and Turkey and also occurs eastwards through Asia into China.It is not native to Britain, but was first introduced in the late 18th Century. During the search for the missing children, Sherlock identifies the vegetation sample from a footprint as belonging to the same plant that can induce a death-like sleep, reducing a heartbeat to almost nothing. It produces abundant seed and also suckers, forming dense thickets. But then I’m not a film critic. It created much the same effect, didn’t it? Rhododendron control is a key element in nature conservation in many areas. No-one died, unlike in 67 BC, where the army of Mithradates IV killed Pompey the Great’s soldiers while they were incapacitated. Homonyms Rhododendron ponticum L. 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